package com.example.deepseek_ai.repository;

import org.springframework.stereotype.Component;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Component
public class InMemoryChatHistoryRepository implements ChatHistoryRepository{
    private final Map<String, List<String>> chatHistory = new HashMap<>();
    @Override
    public void save(String type, String chatId) {
        // In-memory implementation
        if(!chatHistory.containsKey(type)){
            chatHistory.put(type, new ArrayList<>());
        }
        List<String> chatIds =chatHistory.get(type);
        if(chatIds.contains(chatId))
        {
            return;
        }
        chatIds.add(chatId);
    }
    @Override
    public List<String> getChatIds(String type) {
        List<String> chatIds = chatHistory.get(type);
        return chatIds != null ? chatIds: List.of();
    }
}
